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168110974970880 = 21035173143347963
BaseRepresentation
bin100110001110010101100010…
…111100100010110000000000
3211001020020210220002002002220
4212032111202330202300000
5134013312234043032010
61353313041000011040
750260421451035334
oct4616254274426000
9731206726062086
10168110974970880
11496245117aa687
1216a31049460a80
1372a5a48a9b116
142d728866817c4
151467e43cba970
hex98e562f22c00

168110974970880 has 704 divisors, whose sum is σ = 589056145993728. Its totient is φ = 40736359710720.

The previous prime is 168110974970839. The next prime is 168110974970941. The reversal of 168110974970880 is 88079479011861.

It is a super-2 number, since 2×1681109749708802 (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3504989779 + ... + 3505037741.

Almost surely, 2168110974970880 is an apocalyptic number.

168110974970880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 168110974970880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (294528072996864).

168110974970880 is an abundant number, since it is smaller than the sum of its proper divisors (420945171022848).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

168110974970880 is a wasteful number, since it uses less digits than its factorization.

168110974970880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48472 (or 48454 counting only the distinct ones).

The product of its (nonzero) digits is 48771072, while the sum is 69.

The spelling of 168110974970880 in words is "one hundred sixty-eight trillion, one hundred ten billion, nine hundred seventy-four million, nine hundred seventy thousand, eight hundred eighty".